package com.dahua.ui.main;

import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.support.v4.app.ActivityCompat;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;

import com.dahua.R;
import com.dahua.bean.ScanResult;
import com.dahua.utils.AppApplication;
import com.dahua.utils.UserPreference;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Vector;

import camera.CameraManager;
import decoding.CaptureActivityHandler;
import decoding.InactivityTimer;
import view.ViewfinderView;

/**
 * Initial the camera
 *
 * @author Ryan.Tang
 */
public class MipcaActivityCapture extends Activity implements Callback {

    private CaptureActivityHandler handler;
    private ViewfinderView viewfinderView;
    private boolean hasSurface;
    private Vector<BarcodeFormat> decodeFormats;
    private String characterSet;
    private InactivityTimer inactivityTimer;
    private MediaPlayer mediaPlayer;
    private boolean playBeep;
    private static final float BEEP_VOLUME = 0.10f;
    private boolean vibrate;
    List<ScanResult> list = new ArrayList<ScanResult>();
    TextView tvGo;
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_capture);
        //ViewUtil.addTopView(getApplicationContext(), this, R.string.scan_card);
        CameraManager.init(getApplication());
        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        tvGo = (TextView) findViewById(R.id.tv_go);
        tvGo.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(MipcaActivityCapture.this,ScanPrepareUploadAct.class));
            }
        });
//		Button mButtonBack = (Button) findViewById(R.id.button_back);
//		mButtonBack.setOnClickListener(new OnClickListener() {
//
//			@Override
//			public void onClick(View v) {
//				MipcaActivityCapture.this.finish();
//
//			}
//		});
        hasSurface = false;
        inactivityTimer = new InactivityTimer(this);
        AppApplication.aliveActivitys.add(this);
        setScreenBrightness(255);

        Window window = getWindow();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            int option = View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
            window.getDecorView().setSystemUiVisibility(option);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            getWindow().setStatusBarColor(getResources().getColor(R.color.title_background));
        }
    }
    private void setScreenBrightness(int paramInt){
        Window localWindow = getWindow();
        WindowManager.LayoutParams localLayoutParams = localWindow.getAttributes();
        float f = paramInt / 255.0F;
        localLayoutParams.screenBrightness = f;
        localWindow.setAttributes(localLayoutParams);
    }

    public void showCamera(View view) {
        // 检查摄像头权限是否已经有效
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
                != PackageManager.PERMISSION_GRANTED) {
            // 摄像头权限还未得到用户的同意
//            requestCameraPermission();
        } else {
            // 摄像头权限以及有效，显示摄像头预览界面
//            showCameraPreview();
        }
    }


    public void back(View view) {
        finish();
    }

    @Override
    protected void onResume() {
        super.onResume();
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        if (hasSurface) {
            initCamera(surfaceHolder);
        } else {
            surfaceHolder.addCallback(this);
            surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        decodeFormats = null;
        characterSet = null;

        playBeep = true;
        AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
        if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
            playBeep = false;
        }
        initBeepSound();
        vibrate = true;

    }

    @Override
    protected void onPause() {
        super.onPause();
        if (handler != null) {
            handler.quitSynchronously();
            handler = null;
        }
        CameraManager.get().closeDriver();
    }

    @Override
    protected void onDestroy() {
        inactivityTimer.shutdown();
        super.onDestroy();
    }

    /**
     * ����ɨ����
     *
     * @param result
     * @param barcode
     */
    public void handleDecode(Result result, Bitmap barcode) {
        inactivityTimer.onActivity();
        playBeepSoundAndVibrate();
        String resultString = result.getText();
        if (resultString.equals("")) {
            Toast.makeText(MipcaActivityCapture.this, "Scan failed!", Toast.LENGTH_SHORT).show();
        } else {
            Intent resultIntent = new Intent(getApplicationContext(), ScanPrepareUploadAct.class);
            Bundle bundle = new Bundle();
            bundle.putString("result", resultString);
//			bundle.putParcelable("bitmap", barcode);
            resultIntent.putExtras(bundle);
//			this.setResult(RESULT_OK, resultIntent);
            ScanResult bean = new ScanResult();
            bean.setContent(resultString);
            bean.setTime(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date()));
            list.add(bean);
            String curr=UserPreference.getInstance(getApplicationContext()).getData();
            if("".equals(curr)){
                UserPreference.getInstance(getApplicationContext()).setData(bean.getContent()+"@@"+bean.getTime());
            }else{
                UserPreference.getInstance(getApplicationContext()).setData(curr+"##"+bean.getContent()+"@@"+bean.getTime());
            }
//            resultIntent.putExtra("list", (Serializable) list);
            startActivity(resultIntent);
        }
//		MipcaActivityCapture.this.finish();
    }

    private void initCamera(SurfaceHolder surfaceHolder) {
        try {
            CameraManager.get().openDriver(surfaceHolder);
        } catch (IOException ioe) {
            return;
        } catch (RuntimeException e) {
            return;
        }
        if (handler == null) {
            handler = new CaptureActivityHandler(this, decodeFormats,
                    characterSet);
        }
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width,
                               int height) {

    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        if (!hasSurface) {
            hasSurface = true;
            initCamera(holder);
        }

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        hasSurface = false;

    }

    public ViewfinderView getViewfinderView() {
        return viewfinderView;
    }

    public Handler getHandler() {
        return handler;
    }

    public void drawViewfinder() {
        viewfinderView.drawViewfinder();

    }

    private void initBeepSound() {
        if (playBeep && mediaPlayer == null) {
            // The volume on STREAM_SYSTEM is not adjustable, and users found it
            // too loud,
            // so we now play on the music stream.
            setVolumeControlStream(AudioManager.STREAM_MUSIC);
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnCompletionListener(beepListener);

            AssetFileDescriptor file = getResources().openRawResourceFd(
                    R.raw.beep);
            try {
                mediaPlayer.setDataSource(file.getFileDescriptor(),
                        file.getStartOffset(), file.getLength());
                file.close();
                mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
                mediaPlayer.prepare();
            } catch (IOException e) {
                mediaPlayer = null;
            }
        }
    }

    private static final long VIBRATE_DURATION = 200L;

    private void playBeepSoundAndVibrate() {
        if (playBeep && mediaPlayer != null) {
            mediaPlayer.start();
        }
        if (vibrate) {
            Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
            vibrator.vibrate(VIBRATE_DURATION);
        }
    }

    /**
     * When the beep has finished playing, rewind to queue up another one.
     */
    private final OnCompletionListener beepListener = new OnCompletionListener() {
        public void onCompletion(MediaPlayer mediaPlayer) {
            mediaPlayer.seekTo(0);
        }
    };

}